EP2316677B1 - Air outlet - Google Patents

Air outlet Download PDF

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Publication number
EP2316677B1
EP2316677B1 EP10187916A EP10187916A EP2316677B1 EP 2316677 B1 EP2316677 B1 EP 2316677B1 EP 10187916 A EP10187916 A EP 10187916A EP 10187916 A EP10187916 A EP 10187916A EP 2316677 B1 EP2316677 B1 EP 2316677B1
Authority
EP
European Patent Office
Prior art keywords
air
connecting sleeve
pipe socket
spot
air vent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP10187916A
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German (de)
French (fr)
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EP2316677A1 (en
Inventor
Uwe Fritsche
Kuno Zeller
Martin Fieger
Dieter Reisinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2316677A1 publication Critical patent/EP2316677A1/en
Application granted granted Critical
Publication of EP2316677B1 publication Critical patent/EP2316677B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/34—Nozzles; Air-diffusers
    • B60H1/3457—Outlets providing a vortex, i.e. a spirally wound air flow

Definitions

  • the invention relates to an air vent according to the preamble of claim 1 and an automotive air conditioning system.
  • air vents are used to introduce air into the interior of the motor vehicle.
  • the air introduced into the interior by means of air vents is, if necessary, heated and / or cooled in an air conditioning system.
  • the pipe socket serves as the end of a spot Lucas EskanaSes and can deflect the air as a spot beam in different outflow due to the pivoting. Upon pivoting of the pipe socket to the right of the spot beam is thus deflected, for example, to the right.
  • the pipe socket in this case has an inflow opening for introducing the air into the pipe socket and an outflow opening for discharging the air as a spot beam. When introducing the air into the pipe socket at the inlet opening leakage air can occur, thereby increasing the amount of air. Which is passed through the pipe socket is reduced.
  • the EP 1 972 475 A1 shows an air vent with at least two mutually parallel Lufi arrangementskanälen, wherein for each of the air ducts an air flow with a diffused and / or air flow with a directional flow characteristic and in an arranged in the flow exit side region of the air ducts interaction zone by mixing the air flows of the air ducts Gesanitströmungs characterizing is adjustable ,
  • the object of the present invention is therefore to provide an air vent and an automotive air conditioning, at the discharged through the pipe socket as a spot air duct air can be substantially completely diverted in different outflow when pivoting the pipe socket substantially without vortex formation within the pipe socket and little air leakage occurs when the air is introduced into the pipe socket. Furthermore, the air vent should require little space.
  • an air vent in particular for a vehicle interior ventilation system, comprising at least one diffused air duct with at least one diffuse outlet opening for discharging the air as a diffused or twisted jet, at least one spot air duct with at least one spot outlet opening for discharging the air as a spot jet, at least one movable pipe socket with an inlet opening and an outlet opening as a spot outlet opening and the at least one pipe socket forms the at least one spot air duct on the at least one spot outlet opening and by moving the at least one pipe stub different Ausströmraumen the spot beam from the at least one spot outlet opening are adjustable, wherein the at least one pipe socket at the inlet opening a larger cross-sectional area, for.
  • Example by at least 5%, 10%, 20% or 30% larger cross-sectional area, as formed at the outflow opening and in the pipe socket at least one shipsleitwandung. Due to the larger cross-sectional area of the pipe socket at the inlet opening in comparison to the outflow opening, the air to be introduced into the at least one pipe socket can be introduced in a controlled manner and with less leakage air within the air outlet. Thus losses of air, which are to be introduced to the at least one pipe socket, can be reduced as a spot beam.
  • the at least one shipsleitwandung within the flow space of the at least one pipe socket channels and divides the flow space of the pipe socket in partial flow spaces, thereby thereby even with a strong pivoting the at least one pipe socket and thus an associated strong deflection of the air from the inflow opening to the outflow opening on the at least one pipe socket further ensures a controlled and spot-like expansion of the air at the outflow opening of the at least one pipe socket.
  • the at least one baffle thus channels the flow space within the at least one pipe socket, so that turbulences within the at least one pipe socket are substantially excluded.
  • the at least one pipe socket has any cross-section, z. B. circular, elliptical or rectangular
  • the at least one pipe socket has a conical shape with a decreasing surface area in the direction of flow of the air. Due to the conical shape of the at least one pipe socket, a substantially uniform reduction of the cross-sectional area occurs from the outflow opening to the inlet opening, thereby resulting in Advantageously, the Strömungsveduste be reduced within the at least one pipe socket and no flow barriers, such as steps, to reduce the cross-sectional area occur.
  • the at least one pipe socket has a greater width and / or a greater height at the oil inlet opening than at the outlet opening.
  • the at least one pipe socket is designed to be rotationally symmetric.
  • the axis of rotation, with respect to which the at least one pipe stub is rotationally symmetrical, preferably corresponds to a centric axis and / or is parallel to a flow direction of the air conducted through the at least one pipe stub.
  • the at least one pipe socket is pivotable.
  • the at least one pipe socket is pivotable about a horizontal or a vertical pivot axis.
  • the air vent comprises a mechanism by means of which the pipe socket can be moved by means of an actuator arranged on the outside of the air vent.
  • the air vent for example, a thumbwheel or a translationally displaceable actuator, from which by means of the mechanism and arranged by means of the pipe socket Arlenk Vietnameseen the pipe socket can be moved.
  • the at least one shipsleitwandung is aligned substantially parallel to an axis of the at least one pipe socket or a flow direction of the air in the at least one pipe socket
  • the at least one baffle is oriented with a deviation of less than 20 °, 10 ° or 5 ° parallel to the axis of the at least one pipe stub or the direction of flow of the air in the at least one pipe stub.
  • the at least one baffle is flat.
  • the at least one baffle thus has a flat surface, d, h, for example, is not provided with bends, so that thereby a targeted routing of the air is ensured with substantially parallel flow lines within the pipe socket.
  • the formation of vortices within the at least one pipe socket can be substantially eliminated or reduced.
  • the at least one Dunieitvvandung within the flow space of the at least one pipe socket is formed completely continuous, so that the at least one shipsleitwandung the flow space within the at least one pipe socket divided into at least two fully separated Operaströmungsschreib The at least one shipsleitwandung is thus within the at least one pipe socket formed continuously, d. H. in an example vertical alignment of the at least one Dunleitwandung the at least one Lsymmetricleitwandung vertically formed completely continuous.
  • the Luftleitwandung advantageously within the flow space of the at least one pipe socket is not formed in full length, in particular only over a range of less than 80%, 70%, 60%, 50%, 40%, 30% or 20% of the length of Rohrstulzens.
  • Such an air guide wall is preferably arranged at the inlet, outlet or in the middle, at a distance from the inlet or outlet, of the pipe socket. It is also conceivable two or more Dunleitwandache arranged one behind the other, wherein in each case a gap remains between the individual Heilleitwandache.
  • the air vent has only one Lufteitwandung.
  • the one shipsleitwandung formed as a middle wall in the at least one pipe socket, so that the middle wall divides the flow space within the at least one pipe socket in only two completely separated, substantially equal partial flow spaces.
  • a swirl generator is arranged in the flow direction in front of the at least one pipe socket.
  • a spot air duct is formed within the swirl generator.
  • the swirl generator is designed concentrically around the spot air duct.
  • the at least one pipe socket is arranged inside the at least one diffused air duct and / or the air vent comprises a housing and inside the housing the at least one pipe socket is arranged and preferably the at least one diffusive air duct is bounded by the housing.
  • the at least one baffle divides the flow space of the at least one pipe socket into partial flow spaces
  • Automobile air conditioning system according to the invention, wherein the motor vehicle air conditioning system comprises at least one air vent described in this patent application.
  • the automotive air conditioning system has two air vents each for a driver side and a passenger side and the position of the at least one pipe socket is separately or independently or coupled or jointly controllable for the driver side and the passenger side.
  • positions of the at least one pipe socket are infinitely adjustable.
  • the air vent can thus be particularly easy z. B. operated a thumbwheel.
  • the at least one spot outlet opening is in cross section within the at least one diffusive outlet opening. - Formed and / or the at least one diffuse outlet opening is formed concentrically around the at least one spot outlet opening.
  • the motor vehicle air conditioning system comprises a central heating evaporator and / or a blower and / or a heating device and / or an air filter.
  • the air vent 1 is used for supplying air from a KraftGermanyaniage, not shown, as a spot beam and / or as a diffuse or tumble jet in an interior of a motor vehicle.
  • a pipe socket 6 and a swirl generator 15 is arranged within a housing of the Lucasausströmers 1, not shown.
  • the air flows through the Heilausströmer 1 inside the housing, not shown, first the swirl generator 15 and then the pipe socket 6.
  • the swirl generator 15 has helical Luitleit Anlagenen 16 ( Fig. 1 and 2 ) by means of which the air is deflected into a diffuse or swirl jet.
  • a spot air duct 4 is formed ( Fig. 1 and 2 ). After the air diverted by the helical louvers 16 at the swirl generator 15, the air at the air vent 1 at a Dif-3 (FIG. Fig. 3 ).
  • Fig. 1 and 2 In this case, the air stream 14 flowing into the air vent 1 is shown with an arrow.
  • air can be discharged from the air vent 1 through the diffuse outlet opening 3
  • the pipe socket 6 has an inflow opening 7 and an outflow opening 8.
  • the outflow opening 8 of the pipe socket in thus represents a spot-out opening 5 of the air vent 1.
  • the cross-sectional area of the pipe socket 6 at the inflow opening 7 is greater than the cross-sectional area at the outflow opening 8.
  • the pipe stub 6 has a conical shape with a decreasing diameter from the inflow opening 7 to the outflow opening 8. Due to the enlarged inflow opening 7 with respect to the Outflow 8 of the pipe socket 6, the emerging from the spot air duct 4 within the helical Lucaseit Anlagenen 16 air can be introduced substantially intelligently in the pipe socket 6, so that in an advantageous Way when introducing the air into the pipe socket 6 substantially no leakage air occurs.
  • the pipe socket 6 is further pivotable about a vertical pivot axis 11.
  • the ends of a corresponding Achsstutzens for the vertical pivot axis 11 are mounted on the housing of the Heilausströmers 1, not shown.
  • the air vent 1 further has on the pipe socket 6 Anleukschreib 13 as coupling elements.
  • Anleukschreib 13 At the articulation points 13 arms of a kinematics, not shown, or a mechanism can be considered, so that thereby by the user of a motor vehicle, for example by means of an adjusting wheel outside of the air vent 1, the pipe socket 6 can be pivoted about the vertical pivot axis 11 (not shown) ,
  • the pipe socket 6 also has a completely continuous central wall 10 as the air guide wall 9 ( Fig. 3 and 5 ).
  • the middle wall 10 divides the flow space within the pipe socket 6 into two substantially equal partial flow spaces 12. Due to the complete passage of the middle wall 10 within the pipe socket 6, two partial flow spaces 12 are thus formed, with no air within one partial flow space 12 into the other partial flow space 12 of the pipe socket 6 can flow.
  • the introduced at the inlet opening 7 in the pipe socket 6 air is deflected.
  • the flow space is advantageously divided by the middle wall 10 into two smaller Operaströmungaschreib 12, thereby channeling the air within the pipe socket 6 and is guided substantially parallel, so that thereby vortex formation within of the pipe socket 6 when deflecting can be substantially excluded and thereby an outflow of the air from the pipe socket 6 at the outflow opening 8 as a spot jet is ensured even with a strong pivoting of the pipe socket 6 safe.
  • the pipe socket 6 is formed within the diffuser air duct 2 ( Fig. 3 ).
  • the air vent 1 in this case has two pipe sockets 6, which are formed and arranged side by side within a larger diffuser Heilrhakungskanales 2 (not shown).
  • Luftausströmer 1 of the diffusive air duct 2 and the two pipe sockets 6 are arranged within the housing, not shown.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Air-Flow Control Members (AREA)

Description

Die Erfindung betrifft einen Luftausströmer gemäß dem Oberbegriff des Anspruches 1 und eine Kraftfahrzeugklimaanlage.The invention relates to an air vent according to the preamble of claim 1 and an automotive air conditioning system.

In Kraftfahrzeugen werden Luftausströmer eingesetzt, um Luft in den Innenraum des Kraftfahrzeuges einzuleiten. Die in den Innenraum mittels Luftausströmer eingeleitete Luft wird, soweit Bedarf besteht, in einer Klimaalage erwärmt und/oder gekühlt.In motor vehicles, air vents are used to introduce air into the interior of the motor vehicle. The air introduced into the interior by means of air vents is, if necessary, heated and / or cooled in an air conditioning system.

Dabei sind auch Luftausströmer bekannt, die Diffus-AusJassoffnungen und Spot-Auslassöffnungen aufweisen. Aus den Diffus-Auslassöffnungen kann die Luft als Diffus-oder Drallstrahl ausgeleitet werden und aus den Spotauslassöffnungen kann die Luft jeweils als Spotstrahl ausgeweitet werden. Derartige Luftausströmer erhöhen den Komfort innerhalb eines Kraftfahrzeuges, weil die aus den Luftausströmer Luft unterschiedlich, d.h. als Diffus- oder Drallstrahl und/oder als Spotstrahl, ausgleitet werden kann. Zur Steuerung der aus der Spot-Ausiassöffnung ausgeleiteten Ausströmrichtung der Luft sind dabei Luftausströmer bekannt, die einen bewegbaren Rohrstutzen aufweisen. Der Rohrstutzen dient dabei als Ende eines Spot-LuftführungskanaSes und kann aufgrund des Verschwenkens die Luft als Spotstrahl in unterschiedlichen Ausströmrichtungen ausleiten. Bei einem Verschwenken des Rohrstutzens nach rechts wird der Spotstrahl somit beispielsweise nach rechts umgelenkt. Der Rohrstutzen weist dabei eine Einströmöffnug zum Einleiten der Luft in den Rohrstutzen und eine Ausströmöffnung zum Ausleiten der Luft als Spotsfrahl auf. Beim Einleiten der Luft in den Rohrstutzen an der Einströmöffnung kann dabei Leckageluft auftreten, so dass dadurch die Menge an Luft. Welche durch den Rohrstutzen geleitet wird, verringert wird. Dies ist nicht weil dadurch weniger Luft als Spotstrahl aus dem Luftströmer ausgeleitet werden kann und im Allgemeinen diese Luft einer konzentrisch um den Rohrstutzen angeordneten Diffus-Ausiassöffnung zugeleitet wird bzw. einem Diffus-LuftführungskanaL Beim Verschwenken des Rohrstutzens wird die durch den Rohrstutzen gelei-, tete Luft am Rohrstutzen umgeleitet, so dass aufgrund der großen Querschnittsfläche des Strömungsraumes innerhalb des Rohrstutzens die Luft nicht ausreichend parallel gerichtet, d, h, auch mit Wirbeln versehen,aus der Spotaus!assöffnung austritt.In this case, air vents are known, which have diffuse-AusJassoffnungen and spot outlet openings. From the diffuse outlet openings, the air can be discharged as a diffused or tumble jet and from the Spotauslassöffnungen the air can be expanded as a spot beam. Such Luftausströmer increase the comfort within a motor vehicle, because the air from the Luftausströmer different, ie as a diffuse or swirl jet and / or as a spot beam, can be slipped. to Control of the discharged from the spot Ausiassöffnung discharge direction of the air are known Luftausströmer having a movable pipe socket. The pipe socket serves as the end of a spot LuftführungskanaSes and can deflect the air as a spot beam in different outflow due to the pivoting. Upon pivoting of the pipe socket to the right of the spot beam is thus deflected, for example, to the right. The pipe socket in this case has an inflow opening for introducing the air into the pipe socket and an outflow opening for discharging the air as a spot beam. When introducing the air into the pipe socket at the inlet opening leakage air can occur, thereby increasing the amount of air. Which is passed through the pipe socket is reduced. This is not because thereby less air can be discharged as a spot jet from the air vent and generally this air is fed to a concentrically arranged around the pipe socket diffuse Ausiassöffnung or a diffusive LuftführungskanaL When pivoting the pipe socket is the through the pipe socket gelei- tete Redirected air at the pipe socket, so that due to the large cross-sectional area of the flow space within the pipe socket, the air is not sufficiently parallel, d, h, also provided with vortices, emerges from the Spotaus!

Die EP 1 972 475 A1 zeigt einen Luftausströmer mit zumindestens zwei parallel zueinander angeordneten Lufiführungskanälen, wobei für Jeden der Luftführungskanäle ein Luftstrom mit einer diffusen und/oder ein Luftstrom mit einer gerichteten Strömungscharakteristik und in einer in strömungsausgangsseitigen Bereich der Luftführungskanäle angeordneten Wechselwirkungszone durch Mischung der Luftströme der Luftührungskanäle eine Gesanitströmungscharakteristik einstellbar ist.The EP 1 972 475 A1 shows an air vent with at least two mutually parallel Lufiführungskanälen, wherein for each of the air ducts an air flow with a diffused and / or air flow with a directional flow characteristic and in an arranged in the flow exit side region of the air ducts interaction zone by mixing the air flows of the air ducts Gesanitströmungscharakteristik is adjustable ,

DE 20 2008 008827 U1 offenbart einen Luftausströmer nach dem Oberbegriff des Anspruchs 1. DE 20 2008 008827 U1 discloses an air vent according to the preamble of claim 1.

Die Aufgabe der vorliegenden Erfindung besteht deshalb darin, einen Luftausströmer und eine Kraftfahrzeugklimaanlage zur Verfügung zu stellen, bei der die durch den Rohrstutzen als Spot-Luftführungskanal ausgeleitete Luft im Wesentlichen vollständig in unterschiedlichen Ausströmrichtungen bei einem Verschwenken des Rohrstutzenes im Wesentlichen ohne eine Wirbelbildung innerhalb des Rohrstutzens umgeleitet werden kann und beim Einleiten der Luft in den Rohrstutzen wenig Leckageluft auftritt. Ferner soll der Luftausströmer wenig Bauraum benötigen.The object of the present invention is therefore to provide an air vent and an automotive air conditioning, at the discharged through the pipe socket as a spot air duct air can be substantially completely diverted in different outflow when pivoting the pipe socket substantially without vortex formation within the pipe socket and little air leakage occurs when the air is introduced into the pipe socket. Furthermore, the air vent should require little space.

Diese Aufgabe wird gelöst mit einem Luftausströmer, insbesondere für ein Fahrzeuginnenraum-Belüftungssystem, umfassend wenigstens einen Diffus-Luftführungskanal mit wenigstens einer Diffus-Auslassöffnung zum Ausleiten der Luft als Diffus- oder Drallstrahl, wenigstens einen Spot-Luftführungskanal mit wenigstens einer Spot-Auslassöffnung zum Ausleiten der Luft als Spotstrahl, wenigstens einen bewegbaren Rohrstutzen mit einer Einströmöffnung und einer Ausströmöffnung als Spot-Auslassöffnung und der wenigstens eine Rohrstutzen den wenigstens einen Spot-Luftführungskanal an der wenigstens einen Spot-Auslassöffnung bildet und mittels eines Bewegens des wenigstens einen Rohrstutzens unterschiedliche Ausströmrichtungen des Spotstrahles aus der wenigstens einen Spot-Auslassöffnung einstellbar sind, wobei der wenigstens eine Rohrstutzen an der Einströmöffnung eine größere Querschnittsfläche, z. B. eine um wenigstens 5%, 10%, 20% oder 30% größere Querschnittsfläche, aufweist als an der Ausströmöffnung und in dem Rohrstutzen wenigstens eine Luftleitwandung ausgebildet ist. Aufgrund der größeren Querschnittsfläche des Rohrstutzens an der Einströmöffnung im Vergleich zur Ausströmöffnung, kann die dem wenigstens einen Rohrstutzen einzuleitende Luft kontrollierter und mit weniger Leckageluft innerhalb des Luftausströmers eingeleitet werden. Damit können Verluste an Luft, welcher dem wenigstens einen Rohrstutzen einzuleiten sind, als Spotstrahl verringert werden. Die wenigstens eine Luftleitwandung innerhalb des Strömungsraumes des wenigstens einen Rohrstutzens kanalisiert und unterteilt den Strömungsraum des Rohrstutzens in Teilströmungsräume, so dass dadurch auch bei einem starken Verschwenken des wenigstens einen Rohrstutzens und damit einer verbundenen starken Umlenkung der Luft von der Einströmöffnung zur Ausströmöffnung an dem wenigstens einen Rohrstutzen weiterhin eine kontrollierte und spotartige Ausweitung der Luft an der Ausströmöffnung des wenigstens einen Rohrstutzen gewährleistet ist. Die wenigstens eine Luftleitwandung kanalisiert somit den Strömungsraum innerhalb des wenigstens einen Rohrstutzens, so dass dadurch Verwirbelungen innerhalb des wenigstens einen Rohrstutzens im Wesentlichen ausgeschlossen sind. Der wenigstens eine Rohrstutzen weist einen beliebigen Querschnitt auf, ist z. B. kreis-, ellipsenförmig oder rechteckigThis object is achieved with an air vent, in particular for a vehicle interior ventilation system, comprising at least one diffused air duct with at least one diffuse outlet opening for discharging the air as a diffused or twisted jet, at least one spot air duct with at least one spot outlet opening for discharging the air as a spot jet, at least one movable pipe socket with an inlet opening and an outlet opening as a spot outlet opening and the at least one pipe socket forms the at least one spot air duct on the at least one spot outlet opening and by moving the at least one pipe stub different Ausströmrichtungen the spot beam from the at least one spot outlet opening are adjustable, wherein the at least one pipe socket at the inlet opening a larger cross-sectional area, for. Example, by at least 5%, 10%, 20% or 30% larger cross-sectional area, as formed at the outflow opening and in the pipe socket at least one Luftleitwandung. Due to the larger cross-sectional area of the pipe socket at the inlet opening in comparison to the outflow opening, the air to be introduced into the at least one pipe socket can be introduced in a controlled manner and with less leakage air within the air outlet. Thus losses of air, which are to be introduced to the at least one pipe socket, can be reduced as a spot beam. The at least one Luftleitwandung within the flow space of the at least one pipe socket channels and divides the flow space of the pipe socket in partial flow spaces, thereby thereby even with a strong pivoting the at least one pipe socket and thus an associated strong deflection of the air from the inflow opening to the outflow opening on the at least one pipe socket further ensures a controlled and spot-like expansion of the air at the outflow opening of the at least one pipe socket. The at least one baffle thus channels the flow space within the at least one pipe socket, so that turbulences within the at least one pipe socket are substantially excluded. The at least one pipe socket has any cross-section, z. B. circular, elliptical or rectangular

insbesondere weist der wenigstens eine Rohrstutzen eine konische Form mit einer in Strömungsnchtung der Luft abnehmenden Queischnittsfläche auf, Aufgrund der konischen Form des wenigstens einen Rohrstutzens tritt eine im Wesentlichen gleichmäßige Verringerung der Querschn!ttsf!äche von der Ausströmöffnung zur Einströmöffnung auf, so dass dadurch in vorteilhafter Weise die Strömungsveduste innerhalb des wenigstens einen Rohrstutzens verringert werden und keine Strömungsbarrieren, beispielsweise Stufen, zur Verringerung der Querschnittsfläche, auftreten.In particular, the at least one pipe socket has a conical shape with a decreasing surface area in the direction of flow of the air. Due to the conical shape of the at least one pipe socket, a substantially uniform reduction of the cross-sectional area occurs from the outflow opening to the inlet opening, thereby resulting in Advantageously, the Strömungsveduste be reduced within the at least one pipe socket and no flow barriers, such as steps, to reduce the cross-sectional area occur.

In einer weiteren Ausgestaltung weist der wenigstens eine Rohrstutzen an der E!nsirömöffnung eine größere Breite und/oder eine größer Höhe auf als an der Ausströmöffnung.In a further embodiment, the at least one pipe socket has a greater width and / or a greater height at the oil inlet opening than at the outlet opening.

In einer ergänzenden Ausführungsform ist der wenigstens eine Rohrstutzen rotätsonssymmetrisch ausgebildet. Die Rotationsachse, bezüglich der der wenigstens eine Rohrstutzen rotationssymmetrisch ausgeführt ist, entspricht dabei vorzugsweise einer zentrischen Achse und/oder ist parallel zur einer Strömungsnchtung der durch den wenigstens einen Rohrstutzen geleiteten Luft.In an additional embodiment, the at least one pipe socket is designed to be rotationally symmetric. The axis of rotation, with respect to which the at least one pipe stub is rotationally symmetrical, preferably corresponds to a centric axis and / or is parallel to a flow direction of the air conducted through the at least one pipe stub.

Vorzugsweise ist der wenigstens eine Rohrstutzen verschwenkbar.Preferably, the at least one pipe socket is pivotable.

In einer Variante ist der wenigstens eine Rohrstutzen um eine horizontale oder eine vertikale Schwenkachse verschwenkbar.In a variant, the at least one pipe socket is pivotable about a horizontal or a vertical pivot axis.

in einer weiteren Ausgestaltung umfasst der Luftausströmer einen Mechanismus, mittels dem der Rohrstutzen mittels eines außenseitig an dem Luftausströmer angeordneten Stellgliedes bewegt werden kann. Hierzu weist der Luftströmer beispielsweise ein Stellrad oder ein translatorisch verschiebbares Stellelement auf, von dem mittels des Mechanismus und mittels an dem Rohrstutzen angeordneten Arlenkpunkten der Rohrstutzen bewegt werden kann.In a further embodiment, the air vent comprises a mechanism by means of which the pipe socket can be moved by means of an actuator arranged on the outside of the air vent. For this purpose, the air vent, for example, a thumbwheel or a translationally displaceable actuator, from which by means of the mechanism and arranged by means of the pipe socket Arlenkpunkten the pipe socket can be moved.

Zweckmäßig ist die wenigstens eine Luftleitwandung im Wesentlichen parallel zu einer Achse des wenigstens einen Rohrstutzens oder einer Strömungsrichtung der Luft in dem wenigstens einen Rohrstutzen ausgerichtetSuitably, the at least one Luftleitwandung is aligned substantially parallel to an axis of the at least one pipe socket or a flow direction of the air in the at least one pipe socket

einer weiteren Ausführungsform ist die wenigstens eine Luftleitwandung mit einer Abweichung von weniger als 20º, 10º oder 5° parallel zu der Achse des wenigstens einen Rohrstutzens oder der Strömungsrichtung der Luft in dem wenigstens einen Rohrstutzen ausgerichtet.In another embodiment, the at least one baffle is oriented with a deviation of less than 20 °, 10 ° or 5 ° parallel to the axis of the at least one pipe stub or the direction of flow of the air in the at least one pipe stub.

insbesondere ist die wenigstens eine Luftleitwandung eben. Die wenigstens eine Luftleitwandung weist somit eine ebene Oberfläche auf, d, h, ist beispielsweise nicht mit Krümmungen versehen, so dass dadurch ein gezieltes Leiten der Luft mit im Wesentlichen parallelen Strömungslinien innerhalb des Rohrstutzens gewährleistet ist. Damit kann die Ausbildung von Wirbeln innerhalb des wenigstens einen Rohrstutzens im Wesentlichen ausgeschlossen oder verringert werden.In particular, the at least one baffle is flat. The at least one baffle thus has a flat surface, d, h, for example, is not provided with bends, so that thereby a targeted routing of the air is ensured with substantially parallel flow lines within the pipe socket. Thus, the formation of vortices within the at least one pipe socket can be substantially eliminated or reduced.

In einer weiteren Ausgestaltung ist die wenigstens eine Luftieitvvandunginnerhalb des Strömungsraumes des wenigstens einen Rohrstutzens vollständig durchlaufend ausgebildet, so dass die wenigstens eine Luftleitwandung den Strömungsraum innerhalb des wenigstens einen Rohrstutzens in wenigstens zwei voliständig abgetrennte Teilströmungsräume unterteilt Die wenigstens eine Luftleitwandung ist somit innerhalb des wenigstens einen Rohrstutzens durchlaufend ausgebildet, d. h. bei einer beispielsweise vertikalen Ausrichtung der wenigstens einen Luftleitwandung ist die wenigstens eine Lüftleitwandung vertikal vollständig durchlaufend ausgebildet.In a further embodiment, the at least one Luftieitvvandung within the flow space of the at least one pipe socket is formed completely continuous, so that the at least one Luftleitwandung the flow space within the at least one pipe socket divided into at least two fully separated Teilströmungsräume The at least one Luftleitwandung is thus within the at least one pipe socket formed continuously, d. H. in an example vertical alignment of the at least one Luftleitwandung the at least one Lüftleitwandung vertically formed completely continuous.

Alternativ ist die Luftleitwandung vorteilhafterweise innerhalb des Strömungsraumes des wenigstens einen Rohrstutzens nicht in voller Länge ausgebildet, insbesondere nur über einen Bereich von kleiner 80%, 70%, 60%, 50%, 40%, 30% oder 20% der Länge des Rohrstulzens. Bevorzugt ist eine derartige Luftleitwandung am Einlass,Auslass oder in der Mitte, mit Abstand zum Einlass oder Auslass, des Rohrstutzens angeordnet. Denkbar sind auch zwei oder mehrere Luftleitwandungen hintereinander angeordnet, wobei zwischen den einzelnen Luftleitwandungen jeweils eine Lücke verbleibt.Alternatively, the Luftleitwandung advantageously within the flow space of the at least one pipe socket is not formed in full length, in particular only over a range of less than 80%, 70%, 60%, 50%, 40%, 30% or 20% of the length of Rohrstulzens. Such an air guide wall is preferably arranged at the inlet, outlet or in the middle, at a distance from the inlet or outlet, of the pipe socket. It is also conceivable two or more Luftleitwandungen arranged one behind the other, wherein in each case a gap remains between the individual Luftleitwandungen.

in einer ergänzenden Variante weist der Luftausströmer nur eine Lufteitwandung auf.in a supplementary variant, the air vent has only one Lufteitwandung.

In einer weiteren Variante ist die eine Luftleitwandung als Mittelwandung in dem wenigstens einen Rohrstutzen ausgebildet, so dass die Mittelwandung den Strömungsraum innerhalb des wenigstens einen Rohrstutzens in nur zwei vollständig abgetrennte, im Wesentlichen gleich große Teilströmungsräume unterteilt.In another variant, the one Luftleitwandung formed as a middle wall in the at least one pipe socket, so that the middle wall divides the flow space within the at least one pipe socket in only two completely separated, substantially equal partial flow spaces.

In einer weiteren Variante ist in Strömungsrichtung vor dem wenigstens einen Rohrstutzen ein Drallerzeuger angeordnet.In a further variant, a swirl generator is arranged in the flow direction in front of the at least one pipe socket.

In einer zusätzlichen Ausgestaltung ist innerhalb des Drallerzeugers ein Spot--Luftführungskanal ausgebildet.In an additional embodiment, a spot air duct is formed within the swirl generator.

In einer zusätzlichen Ausgestaltung ist der Drallerzeugerkonzentrisch um den Spot-Luftührungskanal ausgebildet.In an additional embodiment, the swirl generator is designed concentrically around the spot air duct.

In einer weiteren Ausgestaltung ist der wenigstens eine Rohrstutzen innerhalb des wenigstens einen Diffus-Luftrührungskanales angeordnet und/oder umfasst der Luftausströmer ein Gehäuse und innerhalb des Gehäuses ist der wenigstens eine Rohrstutzen angeordnet und vorzugweise ist von dem Gehäuse der wenigstens einen Diffus-Luftführungskanal begrenzt.In a further embodiment, the at least one pipe socket is arranged inside the at least one diffused air duct and / or the air vent comprises a housing and inside the housing the at least one pipe socket is arranged and preferably the at least one diffusive air duct is bounded by the housing.

In einer zusätzlichen Ausgestaltung unterteilt die wenigstens eine Luftleitwandung den Strömungsraum des wenigstens einen Rohrstutzens in TeilströmungsräumeIn an additional embodiment, the at least one baffle divides the flow space of the at least one pipe socket into partial flow spaces

Erfindungsgemäße Kraftfahrzeugklimaanlage, wobei die Kraftfahrzeugklimaanlage wenigstens einen in dieser Schutzrechtsanmeldung beschriebenen Luftausströmer umfasst.Automobile air conditioning system according to the invention, wherein the motor vehicle air conditioning system comprises at least one air vent described in this patent application.

insbesondere weist die Kraftfahrzeugklimaanlage zwei Luftausströmer jeweils für eine Fahrerseite und eine Beifahrerseite auf und die Stellung des wenigstens einen Rohrstutzens ist separat bzw. unabhängig voneinander oder gekoppelt bzw. gemeinsam für die Fahrerseite und die Beifahrerseite steuerbar.In particular, the automotive air conditioning system has two air vents each for a driver side and a passenger side and the position of the at least one pipe socket is separately or independently or coupled or jointly controllable for the driver side and the passenger side.

In einer ergänzenden Ausführungsform sind Stellungen des wenigstens einen Rohrstutzen stufenlos einstellbar. Der Luftausströmer kann damit besonders einfach von z. B. einem Stellrad bedient werden.In a supplementary embodiment, positions of the at least one pipe socket are infinitely adjustable. The air vent can thus be particularly easy z. B. operated a thumbwheel.

In einer weiteren Ausgestaltung ist die wenigstens eine Spot-Auslassöffnung im Querschnitt innerhalb der wenigstens einen Diffus-Auslassöffnung aus. - gebildet und/oder die wenigstens eine Diffus-Auslassöffnung ist konzentrisch um die wenigstens eine Spot-Auslassöffnung ausgebildet.In a further embodiment, the at least one spot outlet opening is in cross section within the at least one diffusive outlet opening. - Formed and / or the at least one diffuse outlet opening is formed concentrically around the at least one spot outlet opening.

In einer weiteren Ausgestaltung umfasst die Kraftfahrzeugkiimaanlage einen Käitemittejverdampfer und/oder ein Gebläse und/oder eine Heizeinrichtung und/oder einen Luftfilter.In a further embodiment, the motor vehicle air conditioning system comprises a central heating evaporator and / or a blower and / or a heating device and / or an air filter.

Im Nachfolgenden wird ein Ausführungsbeispiel der Erfindung unter Bezugnahme auf die beigefügten Zeichnungen näher beschrieben. Es zeigt

Fig. 1
eine Seitenansicht eines Luftausströmers ohne Gehäuse,
Fig. 2
eine Draufsicht des Luftausströmers gemäß Fig. 1.
Fig. 3
eine Vorderansicht des Luftausströmers gemäß Fig. 1,
Fig. 4
eine Seitenansicht eines Rohrstutzens des Luftausströmers gemäß Fig. 1,
Fig. 5
den Schnitt A-A gemäß Fig. 4 des Rohrstutzens.
In the following, an embodiment of the invention will be described in more detail with reference to the accompanying drawings. It shows
Fig. 1
a side view of a Luftausströmers without housing,
Fig. 2
a plan view of the Luftausströmers according to Fig. 1 ,
Fig. 3
a front view of the air vent according to Fig. 1 .
Fig. 4
a side view of a pipe socket of the air vent according to Fig. 1 .
Fig. 5
the section AA according to Fig. 4 of the pipe socket.

Der Luftausströmer 1 dient zur Zuführung von Luft aus einer nicht dargestellten Kraftfahrzeugklimaaniage als Spotstrahl und/oder als Diffus- oder Drallstrahl in einen lnnenraum eines Kraftfahrzeuges.The air vent 1 is used for supplying air from a Kraftfahrzeugklimaaniage, not shown, as a spot beam and / or as a diffuse or tumble jet in an interior of a motor vehicle.

Innerhalb eines nicht dargestellten Gehäuses des Luftausströmers 1 ist ein Rohrstutzen 6 und ein Drallerzeuger 15 angeordnet. Die Luft durchströmt dabei den Luftausströmer 1 innerhalb des nicht dargestellten Gehäuses zunächst den Drallerzeuger 15 und anschließend den Rohrstutzen 6. Der Drallerzeuger 15 weist schraubenförmige Luitleiteinrichtungen 16 auf (Fig. 1 und 2) mittels denen die Luft in einen Diffus- oder Drallstrahl umgelenkt wird. lnnerhalb der schraubenförmigen Luftleiteinrichtungen 16 ist ein Spot-Luftführungskanal 4 ausgebildet (Fig. 1 und 2). Nach dem Austreten der von den schraubenförmigen Luftleiteinrichtungen 16 umgelenkten Luft am Drallerzeuger 15 wird die Luft an dem Luftausströmer 1 an einer Dif-3 (Fig. 3) ausgeleitet. Der Strömungsraum, welcher zwischen dem nicht dargestellten Gehäuse und dem Rohrstutzen 6 angeordnet bzw, ausgebildet ist, stellt somit einen Diffus-Luftführungskanal 2 dar sowie ebenfalls der Strömungsraum an dem Drallerzeuger 15 außerhalb des Spot-Luftführungskanales 4 und innerhalb des nicht dargesteilten Gehäuses, d. h. im Bereich der schraubenförmigen Luftleiteinrichtungen 16. In Fig. 1 und 2 ist dabei der in den Luftausströmer 1 einströmende Luftstrom 14 mit einem Pfeil dargestellt Durch die Diffus-Ausiassöffnung 3 kann somit Luft als Diffus- oder Spotstrahl aus dem Luftausströmer 1 ausgeleitet werden,Within a housing of the Luftausströmers 1, not shown, a pipe socket 6 and a swirl generator 15 is arranged. The air flows through the Luftausströmer 1 inside the housing, not shown, first the swirl generator 15 and then the pipe socket 6. The swirl generator 15 has helical Luitleiteinrichtungen 16 ( Fig. 1 and 2 ) by means of which the air is deflected into a diffuse or swirl jet. Inside the helical louvers 16 a spot air duct 4 is formed ( Fig. 1 and 2 ). After the air diverted by the helical louvers 16 at the swirl generator 15, the air at the air vent 1 at a Dif-3 (FIG. Fig. 3 ). The flow space which is arranged or formed between the housing, not shown, and the pipe socket 6, thus constitutes a diffused air duct 2 as well as the flow space at the swirl generator 15 outside the spot air duct 4 and within the not dargesteilten housing, ie in Range of helical louvers 16. In Fig. 1 and 2 In this case, the air stream 14 flowing into the air vent 1 is shown with an arrow. Thus, as a diffuse or spot jet, air can be discharged from the air vent 1 through the diffuse outlet opening 3,

Die Luft, welche durch den Spot-Luftfuhrungskanal 4 innerhalb der schraubenförmigen Luftleiteinchtungen 16 durchgeleitet wird strömt nach dem Ausleiten in den Rohrstutzen 6 ein. Der Rohrstutzen 6 weist dabei eine Einströmöffnung 7 und eine Ausströmöffnung 8 auf. Die Ausströmöffnung 8 des Rohrstutzens in stellt somit eine Spot-Aus!assöffnung 5 des Luftausströmers 1 dar.The air which is passed through the spot Luftfuhrungskanal 4 within the helical Luftleiteinchtungen 16 flows into the pipe socket 6 after being discharged. The pipe socket 6 has an inflow opening 7 and an outflow opening 8. The outflow opening 8 of the pipe socket in thus represents a spot-out opening 5 of the air vent 1.

Die Querschnittsfläche des Rohrstutzens 6 an der Einströmöffnung 7 ist dabei größer als die Querschnittsfläche an der Ausströmöffnung 8. Dabei: weist der Rohrstutzen 6 eine konische Form auf mit einem abnehmenden Durchmesser von der Einströmöffnung 7 zu der Ausströmöffnung 8. Aufgrund der Vergrößerten Einströmöffnung 7 bezüglich der Ausströmöffnung 8 des Rohrstutzens 6, kann die aus dem Spot-Luftführungskanal 4 innerhalb der schraubenförmigen Lufteiteinrichtungen 16 austretende Luft im Wesentlichen verständig in den Rohrstutzen 6 eingeleitet werden, so dass in vorteilhafter Weise beim Einleiten der Luft in den Rohrstutzen 6 im Wesentlichen keine Leckageluft auftritt. Der Rohrstutzen 6 ist ferner um eine vertikale Schwenkachse 11 verschwenkbar. Hierzu sind die Enden eines entsprechenden Achsstutzens für die vertikale Schwenkachse 11 an dem nicht dargestellten Gehäuse des Luftausströmers 1 gelagert. Der Luftausströmer 1 weist ferner an dem Rohrstutzen 6 Anleukpunkte 13 als Kopplungselemente auf. An den Anlenkpunkten 13 können Arme einer nicht dargestellten Kinematik oder eines Mechanismus angedenkt werden, so dass dadurch von dem Benutzer eines Kraftfahrzeuges, beispielsweise mittels eines Stellrades außen an dem Luftausströmer 1, der Rohrstutzen 6 um die vertikale Schwenkachse 11 verschwenkt werden kann (nicht dargestelt).The cross-sectional area of the pipe socket 6 at the inflow opening 7 is greater than the cross-sectional area at the outflow opening 8. In this case, the pipe stub 6 has a conical shape with a decreasing diameter from the inflow opening 7 to the outflow opening 8. Due to the enlarged inflow opening 7 with respect to the Outflow 8 of the pipe socket 6, the emerging from the spot air duct 4 within the helical Lufteiteinrichtungen 16 air can be introduced substantially intelligently in the pipe socket 6, so that in an advantageous Way when introducing the air into the pipe socket 6 substantially no leakage air occurs. The pipe socket 6 is further pivotable about a vertical pivot axis 11. For this purpose, the ends of a corresponding Achsstutzens for the vertical pivot axis 11 are mounted on the housing of the Luftausströmers 1, not shown. The air vent 1 further has on the pipe socket 6 Anleukpunkte 13 as coupling elements. At the articulation points 13 arms of a kinematics, not shown, or a mechanism can be considered, so that thereby by the user of a motor vehicle, for example by means of an adjusting wheel outside of the air vent 1, the pipe socket 6 can be pivoted about the vertical pivot axis 11 (not shown) ,

Der Rohrstutzen 6 weist ferner eine vollständig durchlaufende Mittelwandung 10 als Luftleitwandung 9 auf (Fig. 3 und 5). Die Mittelwandung 10 unterteilt den Strömungsraum innerhalb des Rohrstutzens 6 in zwei im Wesentlichen gleichgroße Teilströmungsräume 12. Aufgrund des vollständigen Durchlaufens der Mittelwandung 10 innerhalb des Rohrstutzens 6 bilden sich somit zwei Teilströmungsräume 12 aus, wobei von einem Teilströmungsraum 12 in den anderen Teilströmungsraum 12 keine Luft innerhalb des Rohrstutzens 6 strömen kann. Bei einem Verschwenken des Rohrstutzens 6 um die vertikale Schwenkachse 11 (nicht dargestellt), wird die an der Einströmöffnung 7 in den Rohrstutzen 6 eingeleitete Luft umgelenkt. Um eine Wirbelbildung innerhalb des Rohrstutzens 6 zu vermeiden, wird in vorteilhafter Weise durch die Mittelwandung 10 der Strömungsraum in zwei kleinere Teilströmungaräume 12 unterteilt, so dass dadurch die Luft innerhalb des Rohrstutzens 6 kanalisiert und im Wesentlichen parallel geführt wird, so dass dadurch eine Wirbelbildung innerhalb des Rohrstutzens 6 beim Umlenken im Wesentlichen ausgeschlossen werden kann und dadurch eine Ausströmung der Luft aus dem Rohrstutzen 6 an der Ausströmöffnung 8 als Spotstrahl auch bei einem starken Verschwenken des Rohrstutzens 6 sicher gewährleistet ist.The pipe socket 6 also has a completely continuous central wall 10 as the air guide wall 9 ( Fig. 3 and 5 ). The middle wall 10 divides the flow space within the pipe socket 6 into two substantially equal partial flow spaces 12. Due to the complete passage of the middle wall 10 within the pipe socket 6, two partial flow spaces 12 are thus formed, with no air within one partial flow space 12 into the other partial flow space 12 of the pipe socket 6 can flow. Upon pivoting of the pipe socket 6 about the vertical pivot axis 11 (not shown), the introduced at the inlet opening 7 in the pipe socket 6 air is deflected. In order to avoid vortex formation within the pipe socket 6, the flow space is advantageously divided by the middle wall 10 into two smaller Teilströmungaräume 12, thereby channeling the air within the pipe socket 6 and is guided substantially parallel, so that thereby vortex formation within of the pipe socket 6 when deflecting can be substantially excluded and thereby an outflow of the air from the pipe socket 6 at the outflow opening 8 as a spot jet is ensured even with a strong pivoting of the pipe socket 6 safe.

Der Rohrstutzen 6 ist innerhalb des Diffus-Luftführungskanales 2 ausgebildet (Fig. 3). In einem weiteren, nicht dargestellten Ausführungsbeispiel weist der Luftausströmer 1 dabei zwei Rohrstutzen 6 auf, die nebeneinander innerhalb eines größeren Diffus-Luftrührungskanales 2 ausgebildet und angeordnet sind (nicht dargestellt). Dabei sind bei einem derartigen, nicht dargestellten Luftausströmer 1 der Diffus-Luftführungskanal 2 und die beiden Rohrstutzen 6 innerhalb des nicht dargestellten Gehäuses angeordnet.The pipe socket 6 is formed within the diffuser air duct 2 ( Fig. 3 ). In another embodiment, not shown, the air vent 1 in this case has two pipe sockets 6, which are formed and arranged side by side within a larger diffuser Luftrührungskanales 2 (not shown). In this case, in such, not shown Luftausströmer 1 of the diffusive air duct 2 and the two pipe sockets 6 are arranged within the housing, not shown.

Insgesamt betrachtet sind mit dem erfindungsgemäßen Luftausströmer 1 und der erfindungsgemäßen Kraftfahrzeugklimaanlage wesentliche Vorteile verbunden. Die bezüglich der Einströmöffnung 7 vergrößerte Ausströmöffnung 8 des Rohrstutzens 6 ermöglicht es, dass Leckageluft für Luft als Spotstrahl, die durch den Rohrstutzen 6 geleitet werden soll, wesentlich verringert wird. Ferner wird aufgrund der Unterteilung des Strömungsraumes innerhalb des Rohrstutzens 6 in Teilströmungsräume 12 auch bei einem starken Verschwenken des Rohrstutzens 6 ein Ausleiten der Luft aus dem Rohrstutzen 6 an der Ausströmöffnung 8 als Spotstrahl gewährleistet, weil aufgrund der Mittelwandung 10 die Luft parallel innerhalb dem Rohrstutzen 6 auch bei einern starken Verschwenken des Rohrstutzens 6 geführt ist.On the whole, considerable advantages are associated with the air vent 1 according to the invention and the motor vehicle air conditioning system according to the invention. With respect to the inflow opening 7 enlarged outflow opening 8 of the pipe socket 6 allows leakage air for air as a spot beam, which is to be passed through the pipe socket 6, is substantially reduced. Furthermore, due to the subdivision of the flow space within the pipe socket 6 in partial flow spaces 12, a discharge of the air from the pipe socket 6 at the discharge opening 8 is ensured as a spot jet even with a strong pivoting of the pipe socket 6, because due to the middle wall 10, the air parallel within the pipe socket. 6 even with a strong pivoting of the pipe socket 6 is performed.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1
Luftausströmer
2
Diffus-Luftführungskanal
3
Diffus-Auslassöffnung
4
Spot-Luftführungskanal
5
Spot-Auslassöffnung
6
Rohrstutzen
7
Einströmöffnung des Rohrstutzens
8
Ausströmöffnung des Rohrstutzens
9
Luftleitwandung
10
Mittelwandung
11
Vertikale Schwenkachse
12
Teilströmungsraum
13
Anlenkpunkt Kopplungsetement
14
Einströmender Luftstrom 15 Drallerzeuger
Schraubenförmige Luftleiteinrichtung
1
air vents
2
Diffuse air duct
3
Diffuse outlet
4
Spot-air duct
5
Spot outlet
6
pipe socket
7
Inflow opening of the pipe socket
8th
Outflow opening of the pipe socket
9
air guide
10
Mittelwandung
11
Vertical pivot axis
12
Part flow space
13
Articulation point coupling element
14
Inflowing airflow 15 Swirl generator
Helical air guiding device

Claims (10)

  1. An air vent (1), in particular for a vehicle interior ventilation system, said air vent comprising:
    - at least one diffuse airflow duct (2) with at least one diffuse outlet opening (3) for discharging the air in the form of a diffuse or swirling jet,
    - at least one spot airflow duct (4) with at least one spot outlet opening (5) for discharging the air in the form of a spot jet,
    - and at least one movable connecting sleeve (6) with an inflow opening (7) and an outflow opening (8) in the form of a spot outlet opening (5), the at least one connecting sleeve (6) forming the at least one spot airflow duct (4) at the at least one spot outlet opening (5), and different outflow directions of the spot jet from the at least one spot outlet opening (5) being settable by movement of the at least one connecting sleeve (6), wherein
    at least one air-guiding wall (9) is formed in the connecting sleeve (6), characterised in that the at least one connecting sleeve (6) has a greater cross-sectional area at the inflow opening (7) than at the outflow opening (8).
  2. The air vent according to claim 1, characterised in that the at least one connecting sleeve (6) has a conical shape with a cross-sectional area that decreases in the direction of flow of the air.
  3. The air vent according to claim 1 or 2, characterised in that the at least one connecting sleeve (6) has a greater width and/or a greater height at the inflow opening (7) than at the outflow opening (8).
  4. The air vent according to one or more of the preceding claims, characterised in that the at least one connecting sleeve (6) is pivotable.
  5. The air vent according to one or more of the preceding claims, characterised in that the at least one air-guiding wall (9) is oriented substantially parallel to an axis of the at least one connecting sleeve (6) or to a direction of flow of the air in the at least one connecting sleeve (6).
  6. The air vent according to one or more of the preceding claims, characterised in that the at least one air-guiding wall (9) is formed completely continuously within the flow space of the at least one connecting sleeve (6), so that the at least one air-guiding wall (9) divides the flow space within the at least one connecting sleeve (6) into at least two completely separate partial flow spaces (12).
  7. The air vent according to one or more of the preceding claims, characterised in that the one air-guiding wall (9) is formed as a centre wall (10) in the at least one connecting sleeve (6), so that the centre wall (10) divides the flow space within the at least one connecting sleeve (6) into only two completely separate partial flow spaces (12) of substantially equal size.
  8. The air vent according to one or more of the preceding claims, characterised in that a swirl generator (15) is arranged upstream of the at least one connecting sleeve (6) in the direction of flow.
  9. The air vent according to one or more of the preceding claims, characterised in that the at least one connecting sleeve (6) is arranged within the at least one diffuse airflow duct (2), and/or the air vent (1) comprises a housing and the at least one connecting sleeve (6) is arranged within the housing and the at least one diffuse airflow duct is preferably delimited (2) by the housing.
  10. A motor vehicle air-conditioning system, characterised in that the motor vehicle air-conditioning system comprises at least one air vent (1) according to one or more of the preceding claims.
EP10187916A 2009-10-27 2010-10-18 Air outlet Not-in-force EP2316677B1 (en)

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US20110105009A1 (en) 2011-05-05
US9623725B2 (en) 2017-04-18
EP2316677A1 (en) 2011-05-04
DE102009050885A1 (en) 2011-04-28

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